Mahabharata 12.34.19

एकं हत्वा यदि कुले शिष्टानां स्यादनामयम्कुलं हत्वाथ राष्ट्रं वा न तद्वृत्तोपघातकम्

ekaṃ hatvā yadi kule śiṣṭānāṃ syādanāmayamkulaṃ hatvātha rāṣṭraṃ vā na tadvṛttopaghātakam

Our plain-language meaning of this verse is waiting for scholar review.